Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
de-iodination is a noun meaning "the removal of iodine atoms from organic compounds". It carries one recorded sense.
the removal of iodine atoms from organic compounds
Definitions, synonyms and semantic relations for de-iodination come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.